Home / 83,663.12-125,510.08-27,506.40

Finding the Fourth Proportional to 83,663.12, 125,510.08 and 27,506.40

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Solution

The fourth proportional to 83,663.12, 125,510.08 and 27,506.40 is: 41,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,663.12 : 125,510.08 = 27,506.40 : x
  2. Step 2: Convert to fraction form
    83,663.12/125,510.08 = 27,506.40/x
  3. Step 3: Cross multiply
    83,663.12x = 125,510.08 × 27,506.40
  4. Step 4: Simplify right side
    83,663.12x = 3,452,330,464.51
  5. Step 5: Solve for x
    x = 3,452,330,464.51/83,663.12
  6. Step 6: Final answer
    x = 41,264.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.